ACC Ingenierie et Maintenance

Visiting address

Rue du Pré la Reine 32



Postal address

Rue du Pré la Reine 32

Clermont-Ferrand , 63017



Tel +33 4 739 838 38

Fax +33 4 739 838 09

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Company information

ACC INGENIERIE & MAINTENANCE is specialized in heavy maintenance, retrofit and conversion of tractive and towed railway equipment for decades.

ACC offers customers its experience, skills range and important industrial means to carry out complete services complying either with customers' specifications requirements or specifications proposed by ACC based on application studies and technical expertises.

ACC designs and manufactures workshop equipment for railway maintenance: lifting and handling equipment, especially automatic brake test bench SIMEF complying with UIC specifications.

ACC performs preventive and curative maintenance of railway equipment technical parts.

Company information

Headquarters location Rue du Pré la Reine 32
63017 Clermont-Ferrand
Office locations
Rue du Pré la Reine 32
63017 Clermont-Ferrand
Some facts
Founded in
Founded by
  • 1919: Creation of the Ateliers de Construction du Centre (ACC) to answer to the need of reconstruction and renovation of the national railway network.
  • 1919 à 1979: Repair and renovation of passengers cars and freight equipment for one customer : SNCF.
  • 1980: Creation of the division «Engineering and Systems» for the design and manufacturing of antenna positioners and servo-controlled turrets for civil or military applications .
  • 1983: Creation of the division «Industrial Renovation and retrofit» specialized in the car units renovation (starters, alternators, vacuum pumps, brake calipers,...).
  • 1989 : The «Railway» division obtains the first subway renovation business with a new customer the RATP.
  • 1990 : The Ateliers de Construction du Centre are bought by the sharehoders (RES).
  • 1997 : The company name changes into «ACC Ingénierie et Maintenance».
  • 2005 : The «Engineering and Systems» and «Industrial Renovation and retrofit» divisions are brought together to create the «Engineering and Retrofits» division which offers a technical competence for the renovation of railway units.
Company Size


  • Subassemblies and components